🆚 Fancyapps vs. Polyfill
- 📈 Polyfill is noticeably more popular than Fancyapps.
- 🌎 Polyfill is more popular in the United States, Russia, and the United Kingdom.
- 🌍 Fancyapps is more popular in Ukraine, Turkey, and the Czech Republic.
Type
About
Fancyapps is a commercial JavaScript UI component library for creating lightboxes, carousels, and interactive image viewers.
It provides touch gesture support, synchronized and nested carousels, image zooming and panning, lazy loading, configurable plugins, and integrations with React,
Vue, and plain JavaScript applications.
Polyfill.io is an open-source JavaScript library that provides modern web API features to older browsers that do not natively support them.
It was originally owned by the Financial Times web team, then moved under community management, and after a supply chain attack in 2024 involving its cdn.polyfill.io domain, the service was discontinued and is now safely mirrored and maintained by Cloudflare and
Fastly.
Headquarters
Website
Pricing
Categories
Popularity
Determined by the number of sites using each technology.
Market share
Popularity by country
Determined by the number of sites detected from each country.
Awards
- 🥈 Second most popular in the U.S. Virgin Islands in the JavaScript Libraries category.
- 🥉 Third most popular in Russia in the JavaScript Libraries category.
- ⭐ 4th most popular in the Czech Republic in the JavaScript Libraries category.
- ⭐ 4th most popular in Slovakia in the JavaScript Libraries category.
- ⭐ 4th most popular in Belarus in the JavaScript Libraries category.
- 🥈 Second most popular in Russia in the JavaScript Libraries category.
- 🥈 Second most popular in Belarus in the JavaScript Libraries category.
- 🥉 Third most popular in the Netherlands in the JavaScript Libraries category.
- 🥉 Third most popular in Switzerland in the JavaScript Libraries category.
- 🥉 Third most popular in Belgium in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
See also
🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,629,123 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.






